bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.35 Kbytes 页数：25 Pages

TI

德州仪器

bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.74 Kbytes 页数：25 Pages

TI

德州仪器

Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

文件：585.37 Kbytes 页数：15 Pages

TI

德州仪器

Voltage Protection with Automatic Cell Balance

文件：913.3 Kbytes 页数：24 Pages

TI

德州仪器

具有自动电量平衡功能的电压保护，用于 2 节锂离子电池，OVP=4.35V

bq2920x 器件是一款用于 2 节串联锂离子电池组的二级过压保护集成电路 (IC)，集成有高精度精密过压检测电路和自动电量失衡校正功能。\n\n该 IC 将 2 节串联电池组中每节电池的电压与出厂设定的内部参考电压进行比较。如果任一电池达到过压状态，OUT 引脚由低电平转换为高电平状态。 \n\nbq2920x 可执行基于电压的自动电量失衡校正。当电池电压与内部参考电压相差 30mV（标称值）或以上时，启动电量平衡；当电池电压与内部参考电压相差 0mV（标称值）时，停止电量平衡。电量平衡功能由 CB_EN 引脚使能和禁用。 • 2 节串联电池二级保护\n• 带外部使能控制的自动电量失衡校正 \n• ±30mV 使能阈值，0mV 禁用阈值（典型值）\n \n• 外部电容控制的延迟定时器\n• 外部电阻控制的电量平衡电流\n• 低功耗 ICC CELL（总电压） PROTECT） \n• 内部电量平衡功能可处理高达 15mA 的电流\n• 支持外部电量平衡模式\n• 高精度过压保护： \n• ±25mV（TA = 0°C 至 60°C） \n \n• 固定过压保护阈值：4.30V，4.35V\n• 小型 8 引脚 DRB 封装;

TI

德州仪器

bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.35 Kbytes 页数：25 Pages

TI

德州仪器

丝印：200；Package：SON(DRB)；bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.74 Kbytes 页数：25 Pages

TI

德州仪器

丝印：200；Package：SON(DRB)；bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.74 Kbytes 页数：25 Pages

TI

德州仪器

丝印：200；Package：SON；bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.35 Kbytes 页数：25 Pages

TI

德州仪器

丝印：200；Package：SON；bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries

1 Features 1• 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External Enable Control – ±30-mV Enable, 0-mV Disable Thresholds Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC

文件：773.35 Kbytes 页数：25 Pages

TI

德州仪器